%0 Journal Article %A N. V. Puhareva %T Stability under constantly acting perturbations %J Differencialʹnye uravneniâ %D 1983 %P 1374-1378 %V 19 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_8_a9/ %G ru %F DE_1983_19_8_a9